úϣϩܲ

2018/07/20


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Plastic (PE) pipes in coal mining

PE.png

ѹȼúùˮˮѹ硢罬ܲĹѹΪ0.4MPa1.6 MPa,˹ܲĵ߹ѹΪ-0.097MPa

Pressure grade: the nominal pressure of the water supply and drainage, pressure ventilation and spraying pipes in coal mining is 0.4MPa1.6 MPa; the maximum nominal pressure of methane gas drainage pipes is -0.097MPa.

ͺţdn20mmdn1200mm

Specification and model: dn20mmdn1200mm

ִб׼ MT558.1-2005úϹܲĵ1:ϩܲġMT181-1988úϹܰȫܼ淶

Executive standards: MT558.1-2005 Plastic Pipes in Coal Mining Part 1: Polyethylene Pipes and MT181-1988 Code for the Test on Plastic Pipe Safety Property for Coal Mining.

ߴ磺úùˮˮKSѹ磨KF罬KJܲĹѹߴӦϱ1ͱ2Ҫ

Specification and dimension: the nominal pressure, specification and dimension of water supply and drainage (KS), pressure ventilation (KF) and spraying (KJ) pipes in coal mining meet the requirements in tables 1 and 2.

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1? PE80úϣϩܲĹѹ͹ߴ

nominal pressure, specification and dimension of PE80 plastic (PE) pipes in coal mining


dn/mm

Ʊںen/mm

׼ߴ?Standard size ratio

SDR33

SDR21

SDR17

SDR13.6

SDR11

ѹ/MPa

0.4

0.6

0.8

1

1.25

20

/

/

/

/

2.0

25

/

/

/

/

2.3

32

/

/

/

/

3.0

40

/

/

/

/

3.7

50

/

/

/

/

4.6

63

/

/

/

4.7

5.8

75

/

/

4.5

5.6

6.8

90

/

4.3

5.4

6.7

8.2

110

/

5.3

6.6

8.1

10.0

125

/

6.0

7.4

9.2

11.4

140

4.3

6.7

8.3

10.3

12.7

160

4.9

7.7

9.5

11.8

14.6

180

5.5

8.6

10.7

13.3

16.4

200

6.2

9.6

11.9

14.7

18.2

225

6.9

10.8

13.4

16.6

20.5

250

7.7

11.9

14.8

18.4

22.7

280

8.6

13.4

16.6

20.6

25.4

315

9.7

15.0

18.7

23.2

28.6

355

10.9

16.9

21.1

26.1

32.2

400

12.3

19.1

23.7

29.4

36.3

450

13.8

21.5

26.7

33.1

40.9

500

15.3

23.9

29.7

36.8

45.4

560

17.2

26.7

33.2

41.2

50.8

630

19.3

30.0

37.4

46.3

57.2

710

21.8

33.9

42.1

52.2

64.6

800

24.5

38.1

47.4

58.8

72.7

900

27.6

42.9

53.3

66.2

81.8

1000

30.6

47.7

59.3

73.5

90.9

1200

36.4

57.2

70.6

88.2

109.1

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2? PE100úϣϩܲĹѹ͹ߴ

nominal pressure, specification and dimension of PE100 plastic (PE) pipes in coal mining


dn/mm

Ʊںen/mm

׼ߴ?Standard size ratio

SDR26

SDR21

SDR17

SDR13.6

SDR11

ѹ/MPa

0.6

0.8

1

1.25

1.6

32

/

/

/

/

3.0

40

/

/

/

/

3.7

50

/

/

/

/

4.6

63

/

/

/

4.7

5.8

75

/

/

4.5

5.6

6.8

90

/

4.3

5.4

6.7

8.2

110

4.2

5.3

6.6

8.1

10.0

125

4.8

6.0

7.4

9.2

11.4

140

5.4

6.7

8.3

10.3

12.7

160

6.2

7.7

9.5

11.8

14.6

180

6.9

8.6

10.7

13.3

16.4

200

7.7

9.6

11.9

14.7

18.2

225

8.6

10.8

13.4

16.6

20.5

250

9.6

11.9

14.8

18.4

22.7

280

10.7

13.4

16.6

20.6

25.4

315

12.1

15.0

18.7

23.2

28.6

355

13.6

16.9

21.1

26.1

32.2

400

15.3

19.1

23.7

29.4

36.3

450

17.2

21.5

26.7

33.1

40.9

500

19.1

23.9

29.7

36.8

45.4

560

21.4

26.7

33.2

41.2

50.8

630

24.1

30.0

37.4

46.3

57.2

710

27.2

33.9

42.1

52.2

64.6

800

30.6

38.1

47.4

58.8

72.7

900

34.4

42.9

53.3

66.2

81.8

1000

38.2

47.7

59.3

73.5

90.9

1200

46.2

57.2

70.6

88.2

109.1



עıںΪοںҵڿر׼


Note: The wall thickness with is the reference wall thickness. The corresponding pipes are produced according to the company's internal control standards.

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